ICU 71.1 71.1

unifilt.h
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1 // © 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /*
4 **********************************************************************
5 * Copyright (C) 1999-2010, International Business Machines Corporation and others.
6 * All Rights Reserved.
7 **********************************************************************
8 * Date Name Description
9 * 11/17/99 aliu Creation.
10 **********************************************************************
11 */
12 #ifndef UNIFILT_H
13 #define UNIFILT_H
14
15 #include "unicode/utypes.h"
16
17 #if U_SHOW_CPLUSPLUS_API
18
19 #include "unicode/unifunct.h"
20 #include "unicode/unimatch.h"
21
27 U_NAMESPACE_BEGIN
28
37 #define U_ETHER ((char16_t)0xFFFF)
38
65 class U_COMMON_API UnicodeFilter : public UnicodeFunctor, public UnicodeMatcher {
66
67 public:
72 virtual ~UnicodeFilter();
73
80 virtual UnicodeFilter* clone() const override = 0;
81
89 virtual UBool contains(UChar32 c) const = 0;
90
96 virtual UnicodeMatcher* toMatcher() const override;
97
102 virtual UMatchDegree matches(const Replaceable& text,
103 int32_t& offset,
104 int32_t limit,
105 UBool incremental) override;
106
111 virtual void setData(const TransliterationRuleData*) override;
112
118 static UClassID U_EXPORT2 getStaticClassID();
119
120 protected:
121
122 /*
123 * Since this class has pure virtual functions,
124 * a constructor can't be used.
125 * @stable ICU 2.0
126 */
127 /* UnicodeFilter();*/
128 };
129
130 /*inline UnicodeFilter::UnicodeFilter() {}*/
131
132 U_NAMESPACE_END
133
134 #endif /* U_SHOW_CPLUSPLUS_API */
135
136 #endif
icu::UnicodeMatcher
UnicodeMatcher defines a protocol for objects that can match a range of characters in a Replaceable s...
Definition: unimatch.h:71
utypes.h
Basic definitions for ICU, for both C and C++ APIs.
UBool
int8_t UBool
The ICU boolean type, a signed-byte integer.
Definition: umachine.h:269
icu::Replaceable
Replaceable is an abstract base class representing a string of characters that supports the replaceme...
Definition: rep.h:77
icu::UnicodeFunctor::toMatcher
virtual UnicodeMatcher * toMatcher() const
Cast 'this' to a UnicodeMatcher* pointer and return the pointer, or null if this is not a UnicodeMatc...
icu::UnicodeFunctor::setData
virtual void setData(const TransliterationRuleData *)=0
Set the data object associated with this functor.
U_COMMON_API
#define U_COMMON_API
Definition: utypes.h:300
unimatch.h
C++ API: Unicode Matcher.
UChar32
int32_t UChar32
Define UChar32 as a type for single Unicode code points.
Definition: umachine.h:467
icu::UnicodeFunctor
UnicodeFunctor is an abstract base class for objects that perform match and/or replace operations on ...
Definition: unifunct.h:38
UClassID
void * UClassID
UClassID is used to identify classes without using the compiler's RTTI.
Definition: uobject.h:96
icu::UnicodeMatcher::matches
virtual UMatchDegree matches(const Replaceable &text, int32_t &offset, int32_t limit, UBool incremental)=0
Return a UMatchDegree value indicating the degree of match for the given text at the given offset.
unifunct.h
C++ API: Unicode Functor.
icu::UMatchDegree
UMatchDegree
Constants returned by UnicodeMatcher::matches() indicating the degree of match.
Definition: unimatch.h:33
icu::UnicodeFunctor::clone
virtual UnicodeFunctor * clone() const =0
Return a copy of this object.
icu::UnicodeFilter
UnicodeFilter defines a protocol for selecting a subset of the full range (U+0000 to U+10FFFF) of Uni...
Definition: unifilt.h:65
icu::UnicodeFunctor::getStaticClassID
static UClassID getStaticClassID(void)
Return the class ID for this class.